docs: async def init(app, loop):
      """Sends a message to the webhook channel when server starts."""
      app.session = aiohttp.ClientSession(loop=loop)  # to make web requests
      app.webhook = Webhook.Async(webhook_url, session=app.session)
  
      em = Embed(color=0x2ecc71)
      em.set_author('[INFO] Starting Worker')
      em.description = 'Host: {}'.format(socket.gethostname())
  
      await app.webhook.send(embed=em)